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Classification of Elements and Periodicity in Properties
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23/08/2021 12:42 pm
Topic starter
Which pair of elements belong to same group?
(a) Elements with atomic no. 17 and 38
(b) Elements with atomic no. 20 and 40
(c) Elements with atomic no. 17 and 53
(d) Elements with atomic no. 11 and 33
1 Answer
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23/08/2021 12:45 pm
Correct answer: (c) Elements with atomic no. 17 and 53
Explanation:
Atomic no. 17 (Cl) and 53 (I) are present in the same group.